<?php
//$circleRadius = 70;
//$offsetX      = 200;
//$offsetY      = 200;
//$GDimage=imagecreate(670,500); 
//$white = imagecolorallocate($GDimage, 0xFF, 0xFF, 0xFF); 
//$g = imagecolorallocate($GDimage, 0, 0, 0); 
//$white = imagecolorallocate($im, 0xFF, 0xFF, 0xFF); 
//for($i = 0; $i <= 360; ++$i) {
//    $x = round(cos($i * M_PI / 180) * $circleRadius);
//    $y = round(sin($i * M_PI / 180) * $circleRadius);
//    
//    // Draw some pixel, or do something else here.
//    imagesetpixel($GDimage, $x + $offsetX, $y + $offsetY, $g);
//}
//header("Content-type: image/png"); 
//imagepng($GDimage);
//
//exit;
$im=imagecreate(670,500); 
$white = imagecolorallocate($im, 0xFF, 0xFF, 0xFF); 
$g = imagecolorallocate($im, 0x00, 0x00, 0x00); 
define("PII",M_PI/180); 
function drawLeaf($g,$x,$y,$L,$a){ 

        global $im; 
        $B = 50; 
        $C =9; 
        $s1 = 2; 
        $s2 = 3 ; 
        $s3 = 1.2; 
        if($L > $s1) 
        { 
            $x2 = $x + $L * cos($a * PII); 
            $y2 = $y + $L * sin($a * PII); 
            $x2R = $x2 + $L / $s2 * cos(($a + $B) * PII); 
            $y2R = $y2 + $L / $s2 * sin(($a + $B) * PII); 
            $x2L = $x2 +$L / $s2 * cos(($a - $B) * PII); 
            $y2L = $y2 + $L / $s2 * sin(($a - $B) * PII); 

            $x1 = $x + $L / $s2 * cos($a * PII); 
            $y1 = $y + $L / $s2 * sin($a * PII); 
            $x1L = $x1 + $L / $s2 * cos(($a - $B) * PII); 
            $y1L = $y1 + $L / $s2 * sin(($a - $B) * PII); 
            $x1R = $x1 + $L / $s2 * cos(($a + $B) * PII); 
            $y1R = $y1 + $L / $s2 * sin(($a + $B) * PII); 

            ImageLine($im,(int)$x,  (int)$y,  (int)$x2,  (int)$y2,  $g); 
            ImageLine($im,(int)$x2, (int)$y2, (int)$x2R, (int)$y2R, $g); 
            ImageLine($im,(int)$x2, (int)$y2, (int)$x2L, (int)$y2L, $g); 
            ImageLine($im,(int)$x1, (int)$y1, (int)$x1L, (int)$y1L, $g); 
            ImageLine($im,(int)$x1, (int)$y1, (int)$x1R, (int)$y1R, $g); 

            drawLeaf($g, $x2,  $y2,  $L / $s3, $a + $C); 
            drawLeaf($g, $x2R, $y2R, $L / $s2, $a + $B); 
            drawLeaf($g, $x2L, $y2L, $L / $s2, $a - $B); 
            drawLeaf($g, $x1L, $y1L, $L / $s2, $a - $B); 
            drawLeaf($g, $x1R, $y1R, $L / $s2, $a + $B); 
           } 
} 
drawLeaf($g,300,500,100,270); 
header("Content-type: image/png"); 
imagepng($im);
imagedestroy($im);
?>